Home / 104,500.10-156,788.55-42,176.90

Finding the Fourth Proportional to 104,500.10, 156,788.55 and 42,176.90

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Solution

The fourth proportional to 104,500.10, 156,788.55 and 42,176.90 is: 63,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,500.10 : 156,788.55 = 42,176.90 : x
  2. Step 2: Convert to fraction form
    104,500.10/156,788.55 = 42,176.90/x
  3. Step 3: Cross multiply
    104,500.10x = 156,788.55 × 42,176.90
  4. Step 4: Simplify right side
    104,500.10x = 6,612,854,994.50
  5. Step 5: Solve for x
    x = 6,612,854,994.50/104,500.10
  6. Step 6: Final answer
    x = 63,280.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.